Using a microscope, you observe an amoeba moving toward a food source. This is an example of
A) reproduction.
B) cellular structure.
C) metabolism.
D) growth.
E) responsiveness.

Artificial selection is a contrast to natural selection.

Natural selection is the process by which populations of organisms adapt and change. Individuals within a population are inherently variable. In other words, all individuals are different in some way. This variation means that some individuals have traits that adapt better to their environment than others.

Natural selection is the selection process that occurs as a result of an organism's ability to adapt to its environment. Artificial selection, on the other hand, is selective breeding imposed by an external entity, usually a human, to increase the abundance of desirable traits.

Examples of natural selection include : Selection of long-necked giraffes.

Examples of artificial selection include : Breeding different breeds of dogs and cows to produce the desired breed.

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Answer:C

Explanation:

Both anaerobic and aerobic conditions can result in glycolysis. Pyruvate enters the citric acid cycle under aerobic conditions and undergoes oxidative phosphorylation, producing a net of 32 ATP molecules.

In the end, glycolysis divides glucose into two pyruvate molecules. Glycolysis can be thought of as having two stages that take place in the cytosol of cells. Due to the use of two ATP molecules, the first phase is known as the "investment" phase, while the second is known as the "payoff" phase. Each of these processes is performed by a different enzyme, with phosphofructokinase serving as the most crucial regulator because it regulates the rate of glycolysis.

Aerobic and anaerobic conditions both result in glycolysis. Pyruvate enters the citric acid cycle and goes through oxidative phosphorylation, which results in the net synthesis of 32 ATP molecules under aerobic conditions. Pyruvate is transformed to lactate in anaerobic environments by anaerobic glycolysis. Two ATP molecules are produced during anaerobic respiration. Cell cytosol is the location of glycolysis.

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The best time to clean your boat to stop the spread of aquatic nuisance species is during every time you leave the water.

Guidelines for Halting the Spread of Aquatic Pest Species

Waterborne Nuisance Species are species that negatively affect aquatic environments or activities that rely on them, including aquaculture, agriculture, or recreation. Zebra mussels, quagga mussels , and hydrilla are just a few of the aquatic invasive species that frequently travel between rivers aboard boats and trailers. These creatures multiply when introduced into new waters, displacing local species and harming the water supply.

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The 5 main food groups helps in providing wide array of nutrition to the body, that helps to promotes healthy life style and also minimizes the risk of stoke and life threatening diseases . These food groups can also helps to add flavors and texture that making eating more interesting .

Hence , if we talk about individual functions of food groups they include ,Carbohydrates are body's primary source of energy or preferred energy source. Carbs are generally broken down by the body into glucose which is also a type of sugar. Protein are responsible to work with cells for maintaining proper structure, function, and regulation of the body's tissues and organs. vegetables and fruits helps lower blood pressure, reduce the risk of heart disease and stroke, prevent cancers. Fats store energy and protect vital organs .

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The humerus' greater tubercle is more medial than its smaller tubercle. It is positioned posterolateral to the humerus' lesser tubercle and laterally to the humerus' head. At the posterolateral side of the shoulder, one may feel the larger tubercle, which is the humerus' most lateral bony point.

Even though it is smaller, the lesser tubercle is more noticeable than the greater one since it is located in front and faces medially and forward.

Two the rotator cuff muscles join to the greater tuberosity, a "bump" of bone near the top of a humerus. Because of this relationship, a fracture may also affect how well the rotator cuff functions.

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Mendel gathered his data for tens of thousands of plants before coming to the conclusion that the traits might be divided into expressed and latent features. These traits were described by him as being dominant and recessive, respectively. In a hybridization, dominant features are those that are passed on unaltered. 

The three laws of dominance, independent assortment, and segregation serve as a summary of all the findings of Mendel's experiment. He proposed that each gene be passed down to the organisms twice, once from each parent. In their gametes, organisms only share one copy of each gene. In his opinion, traits are discretely inherited from each parent, one at a time.

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Clams need aquarium pH: 7.0 – 8.0 and water temperature: 70 – 80 degrees Fahrenheit to survive.

With aquarium pH, some potterers suggest that lower terrarium pH in the upper 6’s may also be respectable to Freshwater Bones. Others try to keep terrarium pH above 7. Water on the acidic side may not be stylish for the bone ’s shell over the long term. Water of the aquarium should be well oxygenated.

Calms care issue relates to terrarium size and the quantum of water it holds. There needs to be enough water in the tank to hold sufficient comestible matter to support the calm ’s nutritive requirements.

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Answer:

Maybe exoskeleton?

1. The non-living component of an ecosystem is the air.

Thus, the correct answer is D.

2. The factor of non-living component of an ecosystem is an abiotic factor.

In ecology, biotic аnd аbiotic fаctors mаke up аn ecosystem. Biotic fаctors аre the living pаrts of the ecosystem, such аs plаnts, аnimаls, аnd bаcteriа. Аbiotic fаctors аre the nonliving pаrts of the environment, such аs аir, minerаls, temperаture, аnd sunlight.

The non-living, physicаl feаtures of the environment аre cаlled аbiotic fаctors. The prefix а meаns “not.” The term аbiotic meаns “not living.” Аbiotic fаctors include аir, wаter, soil, sunlight, temperаture, аnd climаte. The аbiotic fаctors in аn environment often determine which kinds of orgаnisms cаn live there.

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This is what I think maybe this can help you

ΔG for the two reactions is the same, but the energy of activation for the reaction catalyzed by the mollusk enzyme is lower than the energy of activation for the reaction catalyzed by the bacterial enzyme.

Enzymes are proteins that act as biological catalysts by hastening chemical reactions. Substrates are molecules that enzymes may interact with, and the enzyme converts the substrates into other compounds known as products.

An enzyme is a substance that works as a catalyst in living organisms, controlling the pace at which chemical reactions occur while remaining unaffected. Enzymes play a vital role in decreasing a reaction's activation energy—the amount of energy required for the reaction to begin. Enzymes function by attaching to reactant molecules and keeping them in place so that chemical bond-breaking and bond-formation activities may occur more easily.

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The given statement " the genetic information in a gamete is identical to one of the original separated sets of chromosomes in the parent" is true because gametes contain only one of a chromosome pair that exists in the diplod parents cells.

Hence, the correct option is True.

A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's genetic code. The very long, thin DNA fibers in most chromosomes are covered with packing proteins; in eukaryotic cells, the histones are the most significant of these proteins.

During the process of gamete formation or meiosis in parental sex cells, the pair of chromosomes in the parent cells divide to produce daughter cells or gametes containing only singer chromosomes,

Thus, the gametes contain only one set of chromosomes identical to the parent's chromosomes.

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Answer: it’s True<3

Explanation: WHY HASNT YALL BE ONLINE!!!

The nitrogen cycle is a repeating cycle of processes during which nitrogen moves through both living and non-living things: the atmosphere, soil, water, plants, animals and bacteria.

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems.

There are five stages in the nitrogen cycle, and we will now discuss each of them in turn: fixation or volatilization, mineralization, nitrification, immobilization, and denitrification.

The nitrogen cycle matters because nitrogen is an essential nutrient for sustaining life on Earth. Nitrogen is a core component of amino acids, which are the building blocks of proteins, and of nucleic acids.

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Behavioral adaptations, physiological adaptations and structural adaptations are the three types of adaptations which enable an organism to survive.

All living organisms need to adapt in order to survive. There are three types of adaptations which can enable a particular organism to survive and they include the behavioral, physiological and structural adaptations.

Structural adaptations are basically the unique features present in an organism's body which help it to survive in a particular condition. For example, ducks have webbed feet which help them to swim. The changes in different processes that occur inside an organism's body include the physiological adaptations. For example, some spiders change the physiological processes in their body to weave webs using different spider silks. Behavioral adaptations are changes in the actions which allow the organism to survive. For example, coyotes communicate by howling at night.

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Gravity holds the sun, earth, and moon together, and these three bodies engage in a variety of interactions. Due to the earth's gravitational attraction, the moon revolves the planet. And because of the sun's gravitational attraction, the earth orbits the star.

The Moon travels in tandem with Earth's orbit around the Sun. Despite the Earth's continued motion, the Moon must travel two additional days during its orbit, which lasts 27 1/2 days.

The Moon is 384,403 kilometres away from Earth on average. Additionally, there are 149,597,887 kilometres between the Earth and the Sun on average.

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Option A, The Young-Helmholtz theory proposes that B. there are three different types of color-sensitive cones in the eye that are sensitive to different wavelengths of light, which allows us to perceive a wide range of colors.

These cones contain pigments that respond to different parts of the visible spectrum, such as red, green and blue. This theory sensitive states that the sensitive brain interprets the relative stimulation of these cones as different colors. There are four different types of cones is not accurate, because the Young-Helmholtz theory states that there are three different types of cones. Retinal cells are excited by one color and inhibited by its complimentary color is not accurate either. The retinal cells are sensitive to different wavelengths sensitive of light and the brain interprets the relative stimulation of these cells as different colors. rod, not cone, vision accounts for our ability to detect fine visual detail is not accurate according to the Young-Helmholtz theory, which focuses on the role of the cones in color vision, not the rods. Rods are responsible sensitive for our ability to see in low light conditions and detect fine details in dim light.

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The relationship between the III-1 and III-2 is husband and wife as it is consanguineous marriage.

Pedigree analysis was created to comprehend how genes are passed from parents to their offspring.

It was created as a diagram that can illustrate a family tree, the family members, and their individual genetic characteristics.

Getting married to someone you are closely related to is known as consanguine marriage. Despite the possibility of incest, it indicates more than just incest's intimate component.

Marriage between two relatives who are second cousins or closer is considered a consanguineous union in a clinical sense.

Thus, due to consanguine marriage, they are husband and wife.

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During sexual reproduction, two gametes (sex cells) fuse to create a fertilized cell (zygote) with a complete set of chromosomes. What must be true about the number of chromosomes in each gamete is only one set of chromosomes.

Sexual reproduction is a way of developing living things by combining genetic information from two individuals of different sexes through the process of fertilization. Fertilization occurs when an egg and sperm cell meet to produce a zygote.

Chromosomes are a group of fine threads in cells that function as carriers and stores of genetic information in living things. Gamete cells have one set of chromosomes (haploid) consisting of 23 chromosomes with the composition of sperm cells 22 A + X or 22 A + Y and ovum cells: 22 A + X

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The correct option (B)  Is directly related to the frequency of crossing-over.

The procedures used to establish the location of a gene and the distances between genes are referred to as gene mapping. Gene mapping may also describe the distances between various locations within a gene.

The purpose of all genome mapping is to place a set of molecular markers on the genome in their proper locations. Molecular markers exist in many different forms and sizes. Genes may be viewed as a type of genetic marker and mapped in the same way as any other marker when creating genome maps. Gene mapping aids in the creation of unique recombinants inside an organism in a variety of fields of study.

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Explanation:

Food labels always state the sugar, fat and salt content in percentage or per 100 grams or per serving to help consumers in their selection of products.

In the beginning of "The World on Turtle's Back," we can see that a character named just as "husband" is terrified of being punished for having destroyed the sacred tree that lit up the world where he lived.

"The World on Turtle's Back," is a myth created by the Iroquois to explain the origin of the earth and living things. In this myth, we can see:

There was a realm above the heavens that was created even before the earth was created.

This realm was inhabited by magical beings who did not die, grow old, or get sick. They were called the people of heaven.

There was a tree in the center of that realm that was holy.

The tree lit up the entire kingdom, since the sun did not exist.

One day, one of the women of the heavenly realm discovered that she was pregnant with twins. She is very happy and tells her husband, but he is furious with the news, to the point of pulling the sacred tree from the ground. This causes a hole and he throws his pregnant wife into that hole.

The man is terrified, not because he threw his wife to an unknown end, but because he destroyed the sacred tree and is afraid of being punished.

Despite the fall, the woman survives and gives birth to the twins who will create all the elements of planet earth.

With this, we can conclude that the Iroquois also created myths to explain things they did not know, such as the origin of the planet and human beings.

Your question is incomplete most probably your full question was

In the beginning of "The World on Turtle's Back," why did the husband become "terrified"? He was terrified the he might never see his wife again. He was terrified that his wife might fall through the hole in the sky. He was terrified that he would be punished for marring a sacred tree. He was terrified that the Great Tree would fall into the ocean.

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Mendel was greatly involved in the field of genetics, and provided first hypothesis or law named as law of segregation.

Mendel's First Law, also known as the Law of Segregation, states that the alleles for a trait separate during the formation of gametes and randomly unite at fertilization. This means that when two parents with different alleles for a trait produce offspring, each offspring will receive one allele from each parent. This law helps to explain why certain traits are inherited, as well as why the ratio of certain traits can be predicted.

The Mendel made all the observation for the hypothesis or law using Pea plant, that was the best model he selected by careful observation skill that he possessed. The Law of segregation was proven by the pea plant as plant producing violet flower having heterozygous condition could give rise to white flowers in next generation, confidently explaining the process of segregation.

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When shellfish ingest dinoflagellates, a) they turn red. So,correct option is a.

Red tides are conditions when a dinoflagellate ingest builds to such gigantic numbers that it stains the water. This "sprout" might be brought about by supplement and hydrographic circumstances, albeit the natural circumstances which bring about red tides are not totally perceived. For dinoflagellate red tides, the water is stained red or brown due to as high as 20 million cells for every liter. These red tides are made fundamentally out of one types of dinoflagellate that has been quickly developing and gathering.

The dinoflagellates are a monophyletic gathering of single-celled eukaryotes comprising the phylum Dinoflagellata and are generally viewed as green growth. Dinoflagellates are generally marine tiny fish, yet they likewise are normal in freshwater natural surroundings. Their populaces differ with ocean surface temperature, saltiness, and profundity. Many dinoflagellates are photosynthetic, yet a huge part of these are truth be told mixotrophic, consolidating photosynthesis with ingestion of prey (phagotrophy and myzocytosis).

Hence,correct option is a.

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An Individual that is a hybrid organism is heterozygous. This means that it carries two different alleles at a particular genetic position or locus.

Traits can be defined by genes, environmental factors or a combination of both. Traits can be qualitative such as eye colour or they can be quantitative such as height or blood pressure. A given trait is part of an individual's overall phenotype. If an organism has one of the same type of allele on each of its chromosomes, that organism has a pure trait. If an organism has two different types of alleles on its chromosomes, that organism has a hybrid trait.

The genotype of the F1 hybrid offspring is Aa or Bb. The hybrid is heterozygous for both active genes. The recessive effects of aa and bb have been completed in the hybrid by the inheritance of one dominant gene.

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Answer:

Lipofuscin

Explanation:

Gonna take a guess and say these are Lipofuscin cuz these guys are also known as "age pigments" cuz they accumulate in large quantity as cells age.

Hope its right.

The five things which bacteria need in order to survive are nutrition, temperature, acidity, oxygen and moisture.

Bacteria are single-celled microorganisms that are able to survive in a number of different conditions. Bacteria are mostly found almost everywhere in the environment.

Bacteria need basic conditions to survive which are nutrition, temperature, acidity, oxygen and moisture. Nutrition helps in bacteria to grow and provides energy.

Different bacterial types need different temperatures in order to grow. Most of the bacteria survive in low acidic or in neutral environments but also a lot of bacterial types which can survive in a wide spectrum of pH. Some bacteria do not require oxygen while some type of bacteria require oxygen in order to grow. Moisture also happens to boost bacterial growth.

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Explanation:

Explain why the molecules were moving that way after energy was transferred out of them. The molecules were moving away from each other in the morning. The substance did not change phase because the energy did not overcome the attraction level of the gas in the tank.

If the apple snail population were to decrease, the limpkin, a secondary consumer that eats mainly apple snails, would have to find an alternative food source in order to adapt to its environment. This could involve finding other types of snails or mollusks to eat, or potentially switching to a diet that includes other types of prey. The limpkin may also need to range over a larger area in order to locate sufficient food, or it may need to change its foraging behavior in order to more effectively locate and capture its preferred prey. Ultimately, the limpkin's ability to adapt to a decline in the apple snail population will depend on the availability of other suitable food sources and the flexibility of its foraging behavior.

The anthropologist needs to consider the advantages and disadvantages of giving Jane access to his data. On the one hand, the data sharing could result in new discoveries and partnerships that could advance the study of paleoanthropology.

However, if Jane were to publish results based on his data before he does, it might also jeopardize his standing in the field. In the end, he should decide whether to disclose the data based on what he thinks will advance knowledge and understanding in the profession, not on concerns about personal power.

He may want to consider discussing his concerns with his colleagues or mentors before making a decision. It's also important to have a clear agreement about authorship, data usage, and recognition of the data source.

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